init commit

app/migrations/README

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+Alembic migrations

app/migrations/env.py

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+from __future__ import annotations
+import os
+import sys
+from logging.config import fileConfig
+
+from sqlalchemy import engine_from_config, pool
+from alembic import context
+
+# Сделаем проект импортируемым при запуске alembic из корня
+sys.path.append(os.getcwd())
+
+from app.db.base import Base  # noqa
+from app.db import models  # noqa: F401  # важно импортировать, чтобы metadata увидела модели
+
+# Alembic Config
+config = context.config
+
+# Логирование из alembic.ini
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+target_metadata = Base.metadata
+
+
+def get_url() -> str:
+    """Берём URL БД из env или собираем из DB_* переменных."""
+    url = os.getenv("DATABASE_URL", "").strip()
+    if url:
+        return url
+    host = os.getenv("DB_HOST", "db")
+    port = os.getenv("DB_PORT", "5432")
+    name = os.getenv("DB_NAME", "tg_poster")
+    user = os.getenv("DB_USER", "postgres")
+    pwd = os.getenv("DB_PASSWORD", "postgres")
+    return f"postgresql+psycopg://{user}:{pwd}@{host}:{port}/{name}"
+
+
+def run_migrations_offline() -> None:
+    """Запуск миграций в оффлайн-режиме (генерация SQL)."""
+    url = get_url()
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online() -> None:
+    """Запуск миграций в онлайн-режиме с активным соединением."""
+    configuration = config.get_section(config.config_ini_section) or {}
+    # ВАЖНО: используем ключ sqlalchemy.url и prefix="sqlalchemy."
+    configuration["sqlalchemy.url"] = get_url()
+
+    connectable = engine_from_config(
+        configuration,
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(connection=connection, target_metadata=target_metadata)
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

app/migrations/script.py.mako

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+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+"""
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+def upgrade() -> None:
+    ${upgrades if upgrades else "pass"}
+
+def downgrade() -> None:
+    ${downgrades if downgrades else "pass"}

app/migrations/versions/0001_init.py

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+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision = '0001_init'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+def upgrade() -> None:
+    op.create_table('users',
+        sa.Column('id', sa.Integer(), primary_key=True),
+        sa.Column('tg_id', sa.BigInteger(), nullable=False, unique=True, index=True),
+        sa.Column('name', sa.String(length=255)),
+        sa.Column('created_at', sa.DateTime(), nullable=False),
+    )
+
+    op.create_table('chats',
+        sa.Column('id', sa.Integer(), primary_key=True),
+        sa.Column('chat_id', sa.BigInteger(), nullable=False, unique=True, index=True),
+        sa.Column('type', sa.String(length=32)),
+        sa.Column('title', sa.String(length=255)),
+        sa.Column('owner_user_id', sa.Integer(), sa.ForeignKey('users.id'), index=True),
+        sa.Column('can_post', sa.Boolean(), nullable=False, server_default=sa.text('false')),
+        sa.Column('created_at', sa.DateTime(), nullable=False),
+    )
+
+    op.create_table('drafts',
+        sa.Column('id', sa.Integer(), primary_key=True),
+        sa.Column('user_id', sa.Integer(), sa.ForeignKey('users.id'), index=True),
+        sa.Column('text', sa.Text()),
+        sa.Column('status', sa.String(length=16), index=True, server_default='editing'),
+        sa.Column('created_at', sa.DateTime(), nullable=False),
+        sa.Column('updated_at', sa.DateTime(), nullable=False),
+    )
+
+    op.create_table('draft_media',
+        sa.Column('id', sa.Integer(), primary_key=True),
+        sa.Column('draft_id', sa.Integer(), sa.ForeignKey('drafts.id'), index=True),
+        sa.Column('kind', sa.String(length=16)),
+        sa.Column('file_id', sa.String(length=255)),
+        sa.Column('order', sa.Integer(), server_default='0'),
+    )
+
+    op.create_table('deliveries',
+        sa.Column('id', sa.Integer(), primary_key=True),
+        sa.Column('draft_id', sa.Integer(), sa.ForeignKey('drafts.id'), index=True),
+        sa.Column('chat_id', sa.BigInteger(), index=True),
+        sa.Column('status', sa.String(length=16), index=True, server_default='new'),
+        sa.Column('error', sa.Text()),
+        sa.Column('message_ids', sa.Text()),
+        sa.Column('created_at', sa.DateTime(), nullable=False),
+    )
+
+def downgrade() -> None:
+    op.drop_table('deliveries')
+    op.drop_table('draft_media')
+    op.drop_table('drafts')
+    op.drop_table('chats')
+    op.drop_table('users')